Feature: 1. Dependable, without interference 2.4GHz signal operating. 2. 6CH operating. Model Type: Airplane / Glider / Helicopter. 3. Use only 4 * AA batteries for transmitter. 4. Quick and extremely stable in performance. 5. Simple binding procedure. Specification: Transmitter Specfications: Channels: 6 Model Type: Glider/Helicopter RF Range: 2.405-2.475GHz Bandwidth: 500KHz RF Power: Less than 20dBm 2.4G System: AFHDS 2A and AFHDS Code Type: GFSK Sensitivity: 1024 Low Voltage Warning: Less Than 4.2V DSC Port: Output: PPM Charger Port: No ANT Length: 26mm * 2(Dual Antenna) Power: 6V 1.5AA * 4 Display Mode: Transflective STN Positive Type, 128 * 64 VA72 * 39mm, White Backlight. Size: 174 * 89 * 190mm Weight: 392g Online Update: Yes Color: Black Receiver Specifications: Channels: 6 Channels Model Type: Airplane / Glider / Helicopter Frequency Range: 2.4--2.48GHZ Band Width Number: 140 Transmitting Power: Not More than 20dBm RF Receiver Sensitivity: -105dbm 2.4G mode: The second generation of an enhanced version of the automatic FM digital system Encoding: GFSK Antenna Length: 26mm * 2 (Dual Antenna) Input Power: 4.0-8.4V DC Size: 47 * 26.2 * 15mm Weight: 14.9g Color: Black i Bus interface: Yes Data Acquisition Interface: Yes. Package List: 1 * Transmitter 1 * Receiver 1 * Bind Plug